Area Code +81-503-(3680000...3689999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 503 Subscriber Number From : 3680000 Subscriber Number To : 3689999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : NTT Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : VoIP Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-503-(3670000...3679999) next › : +81-503-(3690000...3699999) Dialling Instructions For trunk calls: 0 503 3680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 3680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3680000 ~ 3689999 (Count: 10,000) Example: +81-503-3680000 / 01081-503-3680000 (0503-3680000 / 0-503-3680000) +81-503-3680001 / 01081-503-3680001 (0503-3680001 / 0-503-3680001) +81-503-3680002 / 01081-503-3680002 (0503-3680002 / 0-503-3680002) +81-503-3680003 / 01081-503-3680003 (0503-3680003 / 0-503-3680003) +81-503-3680004 / 01081-503-3680004 (0503-3680004 / 0-503-3680004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-3689995 / 01081-503-3689995 (0503-3689995 / 0-503-3689995) +81-503-3689996 / 01081-503-3689996 (0503-3689996 / 0-503-3689996) +81-503-3689997 / 01081-503-3689997 (0503-3689997 / 0-503-3689997) +81-503-3689998 / 01081-503-3689998 (0503-3689998 / 0-503-3689998) +81-503-3689999 / 01081-503-3689999 (0503-3689999 / 0-503-3689999)
